What do you call a pitch that looks like a fastball out of hand, mimics a slider and is actually neither? Diabolical. Meet ...

He's striking out 16 batters per nine innings, and he boasts a filthy slider and knuckle curveball to go along with a fastball near triple digits. The pitch made a devastating impression on Jose ...

He got Heston Kjerstad to foul off an 0-1 slider before getting him swinging at a high four-seamer. And he got Dylan Carlson to foul off a curveball before using a sinker to get a groundout to second.